倒计时：可以用来倒计时假期

最新推荐文章于 2026-01-09 14:37:10 发布

原创最新推荐文章于 2026-01-09 14:37:10 发布 · 115 阅读

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<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .box1 {
            width: 500px;
            height: 500px;
            display: flex;
            flex-direction: column;
            align-items: center;
            background-color: rgb(241, 213, 218);
        }

        .box {
            width: 100%;
            height: 50px;
            display: flex;
            justify-content: space-around;
            align-content: space-around;
        }

        .box div {
            text-align: center;
            line-height: 50px;
            width: 50px;
            height: 50px;
            background-color: rgb(200, 239, 244);
        }
    </style>
</head>

<body>
    <div class="box1">
        <h3>今天是。。</h3>
        <h1>下班倒计时</h1>
        <div class="box">
            <div></div>
            <div></div>
            <div></div>
        </div>
    </div>
    <script>

        const h3 = document.querySelector('h3')
        const time = new Date()
        h3.innerHTML = `今天是${time.getFullYear()}年${time.getMonth() + 1}月${time.getDate()}日`
        const box = document.querySelectorAll('.box div')
        function getNow() {
            const now = +new Date()
            const last = +new Date(' 2025-7-16 12:00:00 ')
            let n = (last - now) / 1000
            let h = parseInt(n / 60 / 60 % 24)
            let m = parseInt(n / 60 % 60)
            let s = parseInt(n % 60)
            h = h < 10 ? '0' + h : h
            m = m < 10 ? '0' + m : m
            s = s < 10 ? '0' + s : s
            box[0].innerHTML = h
            box[1].innerHTML = m
            box[2].innerHTML = s
        }
        getNow()
        setInterval(getNow, 1000)

    </script>
</body>

</html>